2652280

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1087}}^1$

素因数の和:1159

約数の個数: 32

約数和(自身を含む): 6071040

約数和(自身を除く): 3418760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1087, 1220, 2174, 2440, 4348, 5435, 8696, 10870, 21740, 43480, 66307, 132614, 265228, 331535, 530456, 663070, 1326140, 2652280]

約数ペア:

[(1, 2652280), (2, 1326140), (4, 663070), (5, 530456), (8, 331535), (10, 265228), (20, 132614), (40, 66307), (61, 43480), (122, 21740), (244, 10870), (305, 8696), (488, 5435), (610, 4348), (1087, 2440), (1220, 2174)]